129125560

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2120

約数の個数: 64

約数和(自身を含む): 305474400

約数和(自身を除く): 176348840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 2029, 3182, 4058, 6364, 7955, 8116, 10145, 12728, 15910, 16232, 20290, 31820, 40580, 63640, 75073, 81160, 87247, 150146, 174494, 300292, 348988, 375365, 436235, 600584, 697976, 750730, 872470, 1501460, 1744940, 3002920, 3228139, 3489880, 6456278, 12912556, 16140695, 25825112, 32281390, 64562780, 129125560]

約数ペア:

[(1, 129125560), (2, 64562780), (4, 32281390), (5, 25825112), (8, 16140695), (10, 12912556), (20, 6456278), (37, 3489880), (40, 3228139), (43, 3002920), (74, 1744940), (86, 1501460), (148, 872470), (172, 750730), (185, 697976), (215, 600584), (296, 436235), (344, 375365), (370, 348988), (430, 300292), (740, 174494), (860, 150146), (1480, 87247), (1591, 81160), (1720, 75073), (2029, 63640), (3182, 40580), (4058, 31820), (6364, 20290), (7955, 16232), (8116, 15910), (10145, 12728)]